rehydrate
verb
re·hy·drate
(ˌ)rē-ˈhī-ˌdrāt 
rehydrated; rehydrating; rehydrates
: to restore fluid to (something dehydrated)
Examples of rehydrate in a Sentence
Recent Examples on the Web
An area of wetlands the size of the District of Columbia, called the Picayune Strand, has been rehydrated.
—
Amy Green, Miami Herald, 9 Jan. 2026
This may help rehydrate you after a stomach bug.
—Carrie Madormo, Verywell Health, 9 Jan. 2026
All are lightweight, smell great, and genuinely help rehydrate the scalp, with recommendations informed by expert input and months of testing.
—Iman Balagam, Vogue, 8 Jan. 2026
Water the plant deeply, rehydrating the soil by letting the pot sit in a saucer or tray of water for about 30 minutes.
—Megan Hughes, Better Homes & Gardens, 30 Dec. 2025
See All Example Sentences for rehydrate
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Amy Green, Miami Herald, 9 Jan. 2026
This may help rehydrate you after a stomach bug.
—Carrie Madormo, Verywell Health, 9 Jan. 2026
All are lightweight, smell great, and genuinely help rehydrate the scalp, with recommendations informed by expert input and months of testing.
—Iman Balagam, Vogue, 8 Jan. 2026
Water the plant deeply, rehydrating the soil by letting the pot sit in a saucer or tray of water for about 30 minutes.
—Megan Hughes, Better Homes & Gardens, 30 Dec. 2025
See All Example Sentences for rehydrate
Cite this Entry
“Rehydrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rehydrate. Accessed 11 Jan. 2026.
Copy CitationKids Definition
Medical Definition
rehydrate
transitive verb
re·hy·drate
(ˈ)rē-ˈhī-ˌdrāt
rehydrated; rehydrating
: to restore fluid to (something dehydrated)
especially
: to restore body fluid lost in dehydration to
rehydrate a patient
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